Julius Müller may refer to:
Julius Müller (theologian) (1801–1878), German Protestant theologian Julius Müller (footballer) (1964-1933), German footballer Julius Müller (racewalker) (1938–2017), German racewalker Julius Müller (pole vaulter) (1903–1984), German pole vaulter Julius Müller (taekwondo), German taekwondo athlete Julius Müller, first person to use the Swiss-system tournament